How VR Headsets Make 3D Images

Video games have taken some impressive leaps forward in recent years, and one of the most notable is the use of virtual reality. These headsets come from a variety of companies and platforms, and work with other technologies to produce an experience unlike anything seen before.

But, like all new technologies, Virtual reality, or VR, has a lot f people stumped. After all, how is it that just putting on a piece of plastic and screens over your eyes transport you to other worlds? It's actually quite simple to understand the basics.

The trick is in the display. All currently available headsets use one of two things. They either use two separate LCD displays, or use a smartphone that you plug into the inside of the gear. Either way, the idea is the same. Essentially, an image is projected onto two screen, even if you're using your smartphone to do it. These images are just a tiny bit different from each other. This might sound like it would be jarring and uncomfortable, but it's actually not. In fact, the slight displacement of the images work with the placement of our eyes. In essence, the two displays trick our eyes into thinking they're seeing the same thing, and so what we see is one, 3D image that appears to have depth, just like something seen in the real world.

The width of the image are also perfectly selected to work with our natural vision. The field of vision for most headsets is usually 100 or 110 degrees. Since we can't see everything around us normally, there's just no need for anything more, especially since the headsets track our movement and adjust the image depending on how we turn our heads, just like our eyes do normally.

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